AUTHOR=Dourado Victor Zuniga , Kim Jayoung TITLE=Editorial: Use of smartphone applications to increase physical activity and fitness, volume II JOURNAL=Frontiers in Public Health VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2023.1190566 DOI=10.3389/fpubh.2023.1190566 ISSN=2296-2565